Freezer



III'- '.LII ..77 IIIIIIII.

April 14, 1931. H. c. LITTLE FREEZER Filed Feb. 6, 1929 Patented Apr. 14, 1931 PATENT OFFHCE l HARRY C. LITTLE, OF SAN FRANCISCO, CALIFORNIA FREEZER Application filed February My invention relates to improvements in external freezers, wherein the refrigerant is held within a rotatable holder, and the liquid food product is collected upon the periphery of the rotatable holder and frozen therethe pan in order that it may take up the liquid food product, and this renders it difficult to remove the liquid food product holding pan, without dismantling the machine. When itis desired to change the chan acter or flavor of the liquid food product, it is necessary to remove'the pan, and this frequently occurs. In machines of this general character, as heretofore constructed, the inability to remove the liquid food product holding pan, without dismantling the ma.- chine, or removing parts thereof, has been a -serious objection to their use. I so con- ,struct the pan, and so mount the same within the lower portion of the casing, that it coacts with the refrigerant holder, in a manner to permit of the ready removal of the pan. The apparatus further provides a trough having a scraping element to remove the layer or film of frozen food product from the revolving refrigerant holder, and this trough is located above the pan, and is adapted to enterthe pan during the manipulation of the pan, to effect its removal. While the trough is removable, yet the pan may be removed without even removing the trough. The trough is foldable downwardly into the end of the pan, permitting of the closing movement of a door to cover the open side of the casing, thereby completely closing the casing when the apparatus is not in operation during the scraping of the frozen food product from the refrigerant holder. The downward folding movement of the trough brings the same into` a lower position, WhereJ by it is retained cold.

6, 1929. Serial N0. 337,981.

In the accompanying drawings, forming a part of this specification, and in which like numerals are employed to designate like parts throughout the same,

Figure 1 is a front end elevation of a freezer embodying my invention,

Figure 2 is a transverse section taken on line 2-2 of Figure 3,

Figure 3 is a vertical longitudinal section taken on line 3-3 of Figure 1, g

Figure 4 is a detailed section taken on line 4 4 of Figure 3, and,

Figure 5 is a detailed section taken on line 5 5 of Figure 4.

In thedrawings, wherein for the purpose of illustration, is shown a preferred embodiment of my invention, the numeral designates a casing, preferably formed of metal and embodying a bottom 11, a back 12, and

sides 13. The upper portion of the sides extend above the back 12 and have their upper edges curved, as shown, to engage with a swinging top or cover 14, hinged at 15. The top or cover 14, at its forward end, has a hinged connection 15 with a front end cover 16, adapted to be folded downwardly to close the open front end of the casing 10, whereby the casing may be completely closed.

The numeral 17 designates a cylindrical refrigerant holder or drum, having a periphery 18 and heads or ends 19 and 20. The head 19 carries a trunnion 21, rigidly attached thereto, journaledin a bearing 22, formed in one side 13. The head 20 is provided with a relatively large central opening, within which is mounted a ring 23, rigidly secured therein. The refrigerant such as ice, is fed into the refrigerant holder through this ring, and the ring is rotatably mounted within a large opening 24, formed in the side 13.` The numeral designates a plug or cap, having an annular flange 26, having screwthreaded engagement within the ring 23. the screw-threads being left hand threads. The cap 25 carries a radial arm or crank 27, which may be equipped with a knob or handle 28.

Mounted within the lower portion of the casing 10 is a liquid food holding pan 29, having a straight horizontal bottom eX- tending throughout the major portion of its CIJ 4'lengthand a curved rear end Wall31, which Y is is generally concentric with the periphery fof therefrigerant holder 17 The rear end ofthe bottom 30V rests'upon horizontal inil 1 Wardly projecting ytrnnnions 32, While the forward-.end of the'pan is snpported'byin-V YWardly projecting trunnions 33, .attaehedv` to i the sides y1]3 andadaptedfor,insertion W1thv VVin'vnotches 34, formed in brackets 35, attached 1.1220v ',clined orc-"curved endf31l, travelsupon the to the sides of the panf29, near its bot-torn,

as shoy'vn.' AThenf 'ithe panier-suppored'inthe horizontal position, Figurev 3, the trunnions vated but to lock it` a'gai'netlongitudinal di`strannion 32land5the pan is lowered, and thel curvedend 31 Will clearthe periphery of the refrigerant holderj 17, fas it isapprOXiInately Y concentricwvith relation 'thereto Thepan jinay, therefore, befworled or manipulated .Y so 'that itinay'be J*moved*from beneath the vholder 17,Without-'the necessity of disturbing c holder mountedvwithin theffcasing, a-.pan-ar- .or'rernovinglthe holder.;- 1

Verserodf39. VA'handle l0 is attachedtoj'the elosentothe periphery ofthe. dru'frnplifor fthe trongh-ilnay b egswung downvvardfly into" the pan 129, sincefit's. length j is -lees'tha'n Vthe 4a tion, the :hooked end of thehandle 40 Willr v rest nponftheendof the pan'), andthis Willv i fgclo'sed position, lthereby completelyYy enclosing l :erant lhelderaand painlwhenthefniaj here hneyzi notini operation, forl `in'aintaining g h eniaxnnurn Vsanitary conditions. Further,

since theftrough3frngayenter'thefpan"'219,/the` f fren fmayfberemved Without:evenremev-v -f friletheimielle:e l Y Y ayjqnse arnodified `forni oftrougl'land fi" y .,scraper, 'Whichjglf/lhaveindicated .in-dotted i linesat 411, andi-thijs -troiighfandscraper may rest u ponrthe rod39, .iszequippedfwith-'a -fheedlefeffwherebyit,marbemahipuinea.,

' Ill thefOpelatOn off'the freezer, [the `fluidf OOliSlplaedwthnthefran 29,; andthe 1- rslfef11gerant'hieldWithinthecylindricalhold'V fi iler "iflfhisgholderJ-fis turned` to vther' 'left .or fr or Vfilm of the flnidfood. freezes upon the periphery ofthe holder'17, it is scraped from the Ysaine by th-e operator moving the scraper37- suiiciently Y close to the revolvingv holder.

The frozen` food thus removedV is collected in [the trough36; VV-llenthe machine is not'in operation, the trough .361rnaybeloWered or "folded into thelpan29 and; the hook` '110 will rest uponV the forward; end of the pan, as- Y shown." This will permit theend cover 16 .being shifted to the? closed position.

The pan 29 may be removed froinand "placed Within the bottoni ofthe casing, With'- wont, removingwor disturbing the refrigerant holderli or the 'trongh 36, as explained.

It is Yto be nnders'tood-thatthe forni of my invention, herewith shown :and described, is

to betaken as a,preferredyeXaniple-of the f sanfie, and that 'various Vchangesin the shape, size and arrangement of parts, maybe-resorted to Without departing frornr the` spirit of my invention, or joined claim.` c y Having thus described-hiy- Vinvention, I clainfiz-f An external freezerforliqnid. foods, cornpr'isingfa lcasing hav-ing anppening'in'oneV side, fav snbstantiallyV cylindrical refrigerant ythe scope of ,the suby ranged Withinthelovrer portion of the casing ,With the loweriportion ofthe holder extending into-the panY for :a substantial-distance below the 4top of thepan, the end ofthe pan .remotefrorn Asaid openingv being.: fcu'rvedf in cross-sectionV and Y- 'generally concentric With ico spaced frorn thebott'oing` of fthe' easing', the

.trunnions arranged nearest-tos said opening having "detachable linterloelring engagement Y `With tliep an, uvvhijlefthe trnnnion-s remote from .saidopening are inifree engagiernentfwith-the j pan, the bottoni'` of.v thezpanl-betvveen the treinnio'ns being nnsupportedyvherebly the'cnrved end ofthe pangrnaysdescend .tothe-'bottom yof the vcasing'-. betWeer- 1 Athe trnnnions thns .enabling thepan to be' reinovedthrfoigh-'said opening Without; removing or disturbing-Said holder, andineans Jtorernox'fe Vthefrozen food fron'lfsaid holder. 1

Y A LI 'rv-LE If testimony lvvhereof. 

